MakerFocus 2Pcs 2 Channel 5V/3.3V Breadboard Power Supply Module for Arduino
Recessed design, save more space for bread board
2 Channel design, you can choose 5V or 3.3V
Can be powered via USB power and DC power.
Output Voltage:3.3 or 5V
2*5V/3.3V breadboard power supply module